Given x,y ∈ [0,2c] f(x),g(y) ∈ [0,2c] Show | xy-f(x)-g(y)|≥ c² exist I don't really get this question. Please help me
Last edited by ThePerfectHacker; Jul 10th 2007 at 10:38 AM.
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Originally Posted by stevengoh911 Given x,y ∈ [0,2c] f(x),g(y) ∈ [0,2c] Show | xy-f(x)-g(y)|≥ c² exist It is assumed that : Consider the points if these work then we are finished. Otherwise, Now, the claim is that . This is true because, But then, Thus,
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